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Don't filter root moves if MultiPV mode is enabled

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A band-aid patch to workaround current TB code
limitations with multi PV.

Hopefully this will be removed after committing the
big update of TB impementation, now under discussion.

No functional change.
This commit is contained in:
Gian-Carlo Pascutto
2017-10-18 10:25:12 +02:00
committed by Marco Costalba
parent 0dc3b0978d
commit 86ac50403d
1 changed files with 4 additions and 0 deletions
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4
src/search.cpp
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@@ -1588,6 +1588,10 @@ void Tablebases::filter_root_moves(Position& pos, Search::RootMoves& rootMoves)
ProbeDepth = Options["SyzygyProbeDepth"] * ONE_PLY; ProbeDepth = Options["SyzygyProbeDepth"] * ONE_PLY;
Cardinality = Options["SyzygyProbeLimit"]; Cardinality = Options["SyzygyProbeLimit"];
// Don't filter any moves if the user requested analysis on multiple
if (Options["MultiPV"] != 1)
return;
// Skip TB probing when no TB found: !TBLargest -> !TB::Cardinality // Skip TB probing when no TB found: !TBLargest -> !TB::Cardinality
if (Cardinality > MaxCardinality) if (Cardinality > MaxCardinality)
{ {